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19 October, 16:50

If a polynomial function f (x) has roots 0, 4, and 3 + StartRoot 11 EndRoot, what must also be a root of f (x) ? 3 + i StartRoot 11 EndRoot Negative 3 + i StartRoot 11 EndRoot 3 minus StartRoot 11 EndRoot Negative 3 minus StartRoot 11 EndRoot

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  1. 19 October, 17:58
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    3 - √11

    Step-by-step explanation:

    For polynomials with rational coefficients, any radical roots must come in conjugate pairs. To find the conjugate, simply reverse the sign of the radical.
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